How to do basic plumbing repairs
  • 1. What is the first thing you should do before starting any plumbing repair?
A) Call a plumber
B) Grab your tools
C) Start disassembling the pipe
D) Turn off the water supply
  • 2. What tool is best for tightening or loosening nuts and bolts on plumbing fixtures?
A) Adjustable wrench
B) Pliers
C) Hammer
D) Screwdriver
  • 3. What is Teflon tape used for?
A) Cleaning pipes
B) Holding pipes together
C) Sealing pipe threads
D) Insulating pipes
  • 4. Which type of pipe is commonly used for water supply lines?
A) PEX
B) Clay
C) Cast iron
D) Orangeburg
  • 5. What is the purpose of a pipe wrench?
A) Grip and turn pipes
B) Clean pipes
C) Measure pipes
D) Cut pipes
  • 6. What is a common cause of a leaky faucet?
A) High water pressure
B) Clogged drain
C) Worn-out O-ring
D) Broken pipe
  • 7. How can you unclog a sink drain?
A) Hit the pipe with a hammer
B) Use a plunger
C) Add more water
D) Ignore it
  • 8. What is the purpose of a shut-off valve?
A) To filter water
B) To increase water pressure
C) To measure water usage
D) To stop the flow of water
  • 9. What tool is used to cut copper pipes?
A) Chisel
B) Tube cutter
C) Knife
D) Hacksaw
  • 10. What is flux used for when soldering copper pipes?
A) To decorate the joint
B) To clean and prepare the joint
C) To insulate the joint
D) To cool the joint
  • 11. What is a good way to prevent pipes from freezing in cold weather?
A) Insulate the pipes
B) Run hot water continuously
C) Open all windows
D) Turn off the heat
  • 12. What is the purpose of a P-trap?
A) To increase water pressure
B) To filter water
C) To prevent sewer gases from entering the house
D) To catch large debris
  • 13. Which type of pipe is NOT suitable for potable (drinking) water?
A) CPVC
B) Copper
C) ABS
D) PEX
  • 14. What is the purpose of a snake or auger?
A) To clear clogged drains
B) To cut pipes
C) To tighten pipes
D) To measure pipe length
  • 15. What should you do if you find a major leak?
A) Ignore it and hope it goes away
B) Shut off the main water supply
C) Call a neighbor
D) Try to fix it while the water is still running
  • 16. What safety precaution should you take when soldering?
A) Touch the hot pipe immediately
B) Wear shorts and sandals
C) Work in a confined space
D) Wear safety glasses
  • 17. What is the best way to remove a stubborn bolt?
A) Use penetrating oil
B) Hit it harder with a hammer
C) Ignore it
D) Melt it with a torch
  • 18. What is the purpose of a water pressure regulator?
A) To increase water pressure
B) To filter water
C) To reduce high water pressure
D) To heat water
  • 19. What type of connection is commonly used for PEX pipe?
A) Crimp fitting
B) Welded joint
C) Glued joint
D) Soldered joint
  • 20. What should you do after completing a plumbing repair?
A) Throw away all your tools
B) Ignore the area
C) Check for leaks
D) Leave the water running
  • 21. What is the purpose of pipe dope?
A) To seal threaded pipe joints
B) To clean pipes
C) To strengthen pipes
D) To insulate pipes
  • 22. Which tool is best for cutting PVC pipe?
A) Pipe wrench
B) Hacksaw
C) Screwdriver
D) PVC pipe cutter
  • 23. What is the purpose of a toilet flapper?
A) To decorate the toilet
B) To flush the toilet paper
C) To control the water temperature
D) To seal the tank and release water into the bowl
  • 24. What is a common sign of a running toilet?
A) The toilet is always clean
B) Water constantly running in the bowl
C) The toilet is always quiet
D) The toilet flushes automatically
  • 25. What is a backflow preventer?
A) A device that prevents water from flowing backward
B) A device that increases water pressure
C) A device that filters water
D) A device that heats water
  • 26. What is CPVC pipe used for?
A) Drainage
B) Hot and cold water supply lines
C) Gas lines
D) Sewer lines
  • 27. What is the purpose of a basin wrench?
A) To measure pipes
B) To solder pipes
C) To reach nuts in tight spaces under sinks
D) To cut pipes
  • 28. What safety measure should be taken when using a plumber's torch?
A) Leave the torch unattended
B) Keep a fire extinguisher nearby
C) Wear flammable clothing
D) Work in a confined area with no ventilation
  • 29. What is the purpose of a mixing valve?
A) To filter water
B) To increase water pressure
C) To shut off water supply
D) To blend hot and cold water for a desired temperature
  • 30. Why is it important to properly vent plumbing fixtures?
A) To heat water
B) To allow air to enter and exit the drain system
C) To filter water
D) To increase water pressure
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